151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage java.util.logging; 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/** 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ErrorManager objects can be attached to Handlers to process 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * any error that occurs on a Handler during Logging. 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * When processing logging output, if a Handler encounters problems 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * then rather than throwing an Exception back to the issuer of 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the logging call (who is unlikely to be interested) the Handler 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * should call its associated ErrorManager. 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipublic class ErrorManager { 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean reported = false; 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * We declare standard error codes for important categories of errors. 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * GENERIC_FAILURE is used for failure that don't fit 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * into one of the other categories. 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int GENERIC_FAILURE = 0; 5151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * WRITE_FAILURE is used when a write to an output stream fails. 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int WRITE_FAILURE = 1; 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FLUSH_FAILURE is used when a flush to an output stream fails. 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int FLUSH_FAILURE = 2; 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * CLOSE_FAILURE is used when a close of an output stream fails. 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int CLOSE_FAILURE = 3; 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * OPEN_FAILURE is used when an open of an output stream fails. 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int OPEN_FAILURE = 4; 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FORMAT_FAILURE is used when formatting fails for any reason. 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final static int FORMAT_FAILURE = 5; 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * The error method is called when a Handler failure occurs. 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This method may be overridden in subclasses. The default 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * behavior in this base class is that the first call is 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * reported to System.err, and subsequent calls are ignored. 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param msg a descriptive string (may be null) 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param ex an exception (may be null) 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param code an error code defined in ErrorManager 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public synchronized void error(String msg, Exception ex, int code) { 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (reported) { 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // We only report the first error, to avoid clogging 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // the screen. 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return; 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski reported = true; 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String text = "java.util.logging.ErrorManager: " + code; 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (msg != null) { 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski text = text + ": " + msg; 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski System.err.println(text); 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ex != null) { 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ex.printStackTrace(); 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 100